I am certified under order of Texas Supreme Court to serve process, including citations in Texas. I am not a party to or interested in the outcome of this suit.Service is "the formal delivery of a writ, summons, or other legal process or notice" according to Black's Law Dictionary. This is sometimes called "service of citation" or "service of process. " It is legal notice to the other side that you have filed your case. The following method of service will be reasonably effective to give the Respondent notice of the pending lawsuit under Texas Rule of Civil Procedure 106. On (Date) I filed (the "foregoing document" or Document Name) with the clerk of court for the U.S. District Court, Northern District of Texas. I declare under penalty of perjury that the information in this Certificate of Service is true and correct. This article explains how to serve your spouse when you cannot find them and there are no children involved. The clerk, constable, or sheriff will fill out a Return of Citation that says when the notice was posted.